Starter quiz

  • In chemistry, what does it mean if a substance is described as 'pure'?
    • It is clean and safe to use.
    • It contains only one chemical substance.  ✓
    • It is natural and not man-made.
    • It has been filtered.
  • An element on the Periodic Table is made up of only one type of ...
    • 'atom' ✓
  • Which statements explain why elements are considered to be pure substances?
    • They are always safe to handle.
    • They are made of only one type of atom.  ✓
    • They are found in nature.
    • They cannot be physically separated into other substances.  ✓
  • A ______ is a characteristic of something that helps us describe or identify it.
    • 'property' ✓
  • An example of a ______ is the flavour of a lemon. It can be said to have a sour taste.
    • 'property' ✓
  • Which properties would be essential for making a saucepan?
    • shiny
    • good conductor of heat  ✓
    • lightweight  ✓
    • brittle
    • high melting point  ✓
+